/* =========================================================================
ZEN DIVE Manila — a scuba diving landing page
Art direction: surface glare → abyssal silence → return to light
========================================================================= */
:root{
/* --- luminous turquoise palette (bright "world opening up", not an abyss) --- */
--sand:#F1EADC; /* warm off-white text */
--glare:#D2F0EB; /* bright sunlit surface */
--cyan:#53D4CD; /* luminous accent */
--teal:#22A2A6; /* transitional light */
--pelagic:#1A94A8; /* mid water */
--deepcur:#157087; /* deeper water */
--twilight:#115A72; /* deep, still alive */
--abyss:#0E4A5E; /* deepest — a bright living teal, never black */
--gold:#EABF74; /* warm accent — CTA */
--ink:var(--sand);
--ink-dim:rgba(241,234,220,.85);
--ink-faint:rgba(241,234,220,.55);
--line:rgba(210,240,235,.2);
/* --- type --- */
--mincho:'Shippori Mincho','Noto Serif JP',serif;
--display:'Cormorant Garamond','Shippori Mincho',serif;
--sans:'Zen Kaku Gothic New',system-ui,-apple-system,'Hiragino Kaku Gothic ProN',sans-serif;
--label:'Inter','Zen Kaku Gothic New',sans-serif;
--marc:'Marcellus','Cormorant Garamond',serif;
/* --- water-drag easings --- */
--e-drift:cubic-bezier(.16,1,.30,1);
--e-buoy:cubic-bezier(.22,1,.36,1);
--e-sink:cubic-bezier(.65,0,.35,1);
--e-sway:cubic-bezier(.37,0,.63,1);
--e-breath:cubic-bezier(.45,.05,.55,.95);
/* --- driven by JS --- */
--depth:0; /* 0 surface .. 1 abyss (grade darkening) */
--dive:0; /* 0..1 depth-meter cursor position */
--pad:clamp(1.35rem,5vw,7rem);
--maxw:1280px;
}
/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:auto}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}
body{
font-family:var(--sans);
color:var(--ink);
background:var(--abyss);
line-height:1.75;
font-weight:400;
overflow-x:hidden;
-webkit-font-smoothing:antialiased;
text-rendering:optimizeLegibility;
letter-spacing:.01em;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
ul,ol{list-style:none}
::selection{background:var(--cyan);color:var(--abyss)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
/* skip link */
.skip{position:fixed;top:12px;left:12px;z-index:10000;transform:translateY(-160%);
background:var(--sand);color:var(--abyss);padding:.7rem 1.1rem;border-radius:4px;
font-size:.85rem;letter-spacing:.04em;transition:transform .3s var(--e-drift)}
.skip:focus{transform:none}
/* ================================================================
FIXED WATER LAYERS
================================================================ */
/* The water is rendered, not photographed. The canvas paints it opaquely
(WebGL context is alpha:false), so this gradient is only ever seen when the
shader cannot run — reduced motion, a low-end device, or a GL failure — and
it has to stand on its own as a calm, bright sea. */
.ocean{
position:fixed;inset:0;width:100%;height:100%;
z-index:-3;display:block;
background:
radial-gradient(120% 70% at 50% -10%, rgba(194,245,238,.5), transparent 55%),
linear-gradient(180deg, #45c6cc 0%, #2aa4b0 45%, #157087 100%);
}
/* colour grade: surface light fades and the abyss closes in as --depth rises.
Driven per-frame by JS (main.js). No CSS transition — JS already eases it. */
.grade{
position:fixed;inset:0;z-index:-1;pointer-events:none;
/* kept bright & living even at depth — gentle teal wash, never a dark closing-in */
background:
radial-gradient(130% 100% at 50% -12%, rgba(214,244,238,calc(.10 - var(--depth)*.04)) 0%, transparent 50%),
radial-gradient(155% 130% at 50% 46%, transparent 55%, rgba(20,112,132,calc(.05 + var(--depth)*.12)) 100%),
linear-gradient(180deg,
rgba(34,140,158,calc(var(--depth)*.07)) 0%,
rgba(26,120,140,calc(.02 + var(--depth)*.13)) 100%);
}
/* No shader (phones, reduced-motion, low-end): the flat --abyss underneath reads
far lighter than the rendered water, so text loses the page. Deepen the wash
to land where the WebGL version sits. .has-ocean is set by main.js on mount. */
html:not(.has-ocean) .grade{
background:
radial-gradient(130% 100% at 50% -14%, rgba(214,244,238,calc(.09 - var(--depth)*.05)) 0%, transparent 52%),
radial-gradient(150% 130% at 50% 44%, transparent 42%, rgba(6,38,52,calc(.34 + var(--depth)*.30)) 100%),
linear-gradient(180deg,
rgba(7,44,60,calc(.30 + var(--depth)*.34)) 0%,
rgba(4,28,40,calc(.44 + var(--depth)*.36)) 100%);
}
.grain{
position:fixed;inset:-12%;z-index:40;pointer-events:none;opacity:.05;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
mix-blend-mode:soft-light;animation:grain 6s steps(5) infinite;will-change:transform;
}
@keyframes grain{
0%{transform:translate(0,0)}20%{transform:translate(-4%,3%)}40%{transform:translate(3%,-4%)}
60%{transform:translate(-3%,-2%)}80%{transform:translate(4%,2%)}100%{transform:translate(0,0)}
}
/* ---------- custom cursor ---------- */
.cursor{
position:fixed;top:0;left:0;z-index:9998;pointer-events:none;
width:14px;height:14px;transform:translate(-50%,-50%);
opacity:0;transition:opacity .4s ease;
}
.cursor span{
display:block;width:100%;height:100%;border-radius:50%;position:relative;
border:1px solid rgba(191,227,224,.85);
background:radial-gradient(circle at 35% 30%, rgba(191,227,224,.32), transparent 62%);
box-shadow:0 0 0 1px rgba(3,10,20,.25);
transition:width .45s var(--e-drift),height .45s var(--e-drift),
background .4s ease,border-color .4s ease,transform .4s var(--e-drift);
}
/* solid high-contrast core — stays visible over bright caustics */
.cursor span::after{
content:"";position:absolute;left:50%;top:50%;width:4px;height:4px;margin:-2px 0 0 -2px;
border-radius:50%;background:var(--cyan);box-shadow:0 0 3px rgba(3,10,20,.9);
}
.cursor.is-hover span{width:56px;height:56px;margin:-21px;border-color:rgba(69,199,196,.9)}
.cursor.is-drag span{width:74px;height:74px;margin:-30px;background:radial-gradient(circle,rgba(69,199,196,.14),transparent 70%)}
.cursor.is-explore span{width:44px;height:44px;margin:-15px}
.cursor.is-down span{transform:scale(.8)}
.cursor__label{position:absolute;inset:0;display:grid;place-items:center;font:500 9px/1 var(--label);letter-spacing:.15em;color:var(--glare);opacity:0}
html.has-cursor,html.has-cursor *{cursor:none!important}
/* ================================================================
PRELOADER
================================================================ */
.preloader{
position:fixed;inset:0;z-index:9999;background:var(--abyss);
display:grid;place-items:center;overflow:hidden;
clip-path:inset(0 0 0 0);
/* failsafe: if JS never dismisses the gate (script fails to load / throws),
fade + disable the overlay so the page is never permanently trapped */
animation:preloaderFailsafe .8s ease 6s forwards;
}
@keyframes preloaderFailsafe{to{opacity:0;visibility:hidden;pointer-events:none}}
.preloader::after{
content:"";position:absolute;inset:0;
background:radial-gradient(120% 90% at 50% 120%, rgba(12,90,120,.5), transparent 55%);
}
.preloader__inner{position:relative;text-align:center;z-index:1}
.preloader__mark{
font-family:var(--mincho);font-weight:600;font-size:clamp(3rem,10vw,6rem);
color:var(--sand);letter-spacing:.28em;text-indent:.28em;
filter:drop-shadow(0 0 30px rgba(69,199,196,.25));
}
.preloader__gauge{margin-top:2.2rem;display:flex;align-items:baseline;justify-content:center;gap:.15rem;color:var(--cyan)}
.preloader__label{font:500 10px/1 var(--label);letter-spacing:.4em;margin-right:.9rem;color:var(--ink-faint);align-self:center}
.preloader__depth{font:400 2.1rem/1 var(--label);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.preloader__unit{font:400 1rem/1 var(--label);color:var(--ink-dim)}
.preloader__bar{margin:1.6rem auto 0;width:min(220px,50vw);height:1px;background:var(--line);overflow:hidden}
.preloader__bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--cyan));box-shadow:0 0 12px var(--cyan)}
.preloader__hint{margin-top:1.4rem;font:400 12px/1 var(--sans);letter-spacing:.35em;color:var(--ink-faint)}
/* ================================================================
DEPTH METER
================================================================ */
.depthmeter{
position:fixed;right:clamp(18px,2.6vw,42px);top:50%;transform:translateY(-50%);
z-index:60;pointer-events:none;display:flex;align-items:center;
opacity:0;transition:opacity .8s ease;
}
.depthmeter.is-on{opacity:1}
/* solid, softly-shadowed treatment so the instrument reads on bright water */
.depthmeter__track{position:relative;width:1px;height:38vh;background:rgba(255,255,255,.4)}
/* tick labels sit to the LEFT of the line; a short dash bridges each to it */
.depthmeter__tick{
position:absolute;right:9px;top:calc(var(--p)*100%);transform:translateY(-50%);
text-align:right;font:500 9px/1 var(--label);letter-spacing:.1em;
color:rgba(241,234,220,.9);white-space:nowrap;text-shadow:0 1px 7px rgba(3,26,36,.6);
}
.depthmeter__tick::before{content:"";position:absolute;right:-9px;top:50%;width:5px;height:1px;background:rgba(255,255,255,.6)}
.depthmeter__cursor{
position:absolute;left:50%;top:calc(var(--dive)*100%);
width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;
background:var(--cyan);box-shadow:0 0 10px var(--cyan),0 0 0 3px rgba(4,26,36,.25);
}
/* live reading rides the cursor on the RIGHT of the line — opposite the labels, so they never overlap */
.depthmeter__read{
position:absolute;left:12px;top:calc(var(--dive)*100%);transform:translateY(-50%);
writing-mode:vertical-rl;font:600 11px/1 var(--label);font-variant-numeric:tabular-nums;
letter-spacing:.14em;color:var(--glare);text-shadow:0 1px 8px rgba(3,26,36,.7);
}
/* ================================================================
NAV
================================================================ */
.nav{
position:fixed;top:0;left:0;width:100%;z-index:80;
display:flex;align-items:center;justify-content:space-between;
padding:clamp(1rem,2.2vw,1.7rem) var(--pad);
transition:transform .6s var(--e-drift),background .5s ease,padding .5s ease;
mix-blend-mode:normal;
}
.nav.is-hidden{transform:translateY(-100%)}
/* no distinct "header colour" — the bar stays transparent for full unity with
the hero; legibility comes from a soft text-shadow, not a coloured band */
.nav.is-scrolled{padding-top:.85rem;padding-bottom:.85rem}
.nav__brand,.nav__links a,.nav__cta{text-shadow:0 1px 16px rgba(5,26,36,.55)}
.nav__brand{display:flex;align-items:center;gap:.6rem}
/* THE MARK — a thin circle, broken once. Nothing inside; the emptiness is the
point (無). No brush cosplay, no fill, no badge: compass-drawn geometry, the
same hairline weight as the depth meter and the page rules. The gap is the
wabi — beauty carried by what is missing, and the way in. */
.maru{flex:none}
.maru circle{fill:none;stroke:currentColor;stroke-width:3;stroke-linecap:round}
/* circles must slightly EXCEED a flat text block to read as equal (optical
overshoot): visible circle = 93.75% of this box → 27px vs the 26.2px lockup */
.nav__maru{width:1.8rem;height:1.8rem;align-self:center;color:var(--sand)}
/* Two-tier lockup, hotel-style: the city is justified to EXACTLY the width of
the wordmark above it. That width-lock is what reads as a designed mark
rather than two words in a row. Trailing tracking is trimmed (-.34em) so the
optical right edges align; the city letters are spread by flex, not tracking. */
.nav__lockup{display:flex;flex-direction:column;gap:.3rem}
.nav__word{font-family:var(--label);font-weight:500;font-size:.78rem;
letter-spacing:.34em;margin-right:-.34em;color:var(--sand);line-height:1}
.nav__city{display:flex;justify-content:space-between;font-family:var(--label);
font-weight:500;font-size:.56rem;color:var(--ink-faint);line-height:1}
.nav__city i,.foot__city i{font-style:normal}
.preloader__maru{display:block;width:clamp(3.8rem,9vw,5.2rem);height:auto;margin:0 auto;
color:var(--sand)}
/* same lockup as the nav — mark + wordmark on row 1, tagline fills row 2.
Grid (not flex-wrap) because flex-basis:100% only wraps when the row is
already full; here there's slack, so it never broke onto its own line. */
/* Column 1 is pinned to the ring's own width. With `auto` the tagline spanning
both columns still fed into the track sizing, holding column 1 at ~99px and
pushing the wordmark 71px off the mark. */
/* Same mark as the nav, scaled up — not just enlarged. Every measure here is
nav's value × (1.02 / .78), the ratio of foot__word's size to nav__word's,
so the ring-to-text overshoot and the MANILA-to-ZEN-DIVE weight match the
nav exactly. Previously the ring (2.5rem) and city (.57rem) were sized on
their own and drifted off that ratio — the ring read oversized and MANILA
read undersized next to the header mark. */
.foot__brand{display:grid;grid-template-columns:2.35rem auto;column-gap:.78rem;row-gap:1.5rem;align-items:center;justify-content:start}
.foot__kanji{grid-column:1;grid-row:1;display:flex;align-items:center}
.foot__maru{display:block;width:2.35rem;height:auto;color:var(--sand)}
/* justify-self:start is load-bearing, not cosmetic. As a grid item this box
defaults to `stretch`, so it took column 2's width — and column 2 is sized by
the tagline spanning 1/-1 (max-width:34ch), not by the wordmark. That stretched
the box to 233px while "ZEN DIVE" only draws 112px, and .foot__city's
space-between then scattered M A N I L A across the full 233px: twice the
wordmark's width. The nav never had this because .nav__lockup is a flex item,
which shrink-wraps. Shrink-wrapping here makes the two lockups behave identically. */
.foot__lockup{grid-column:2;grid-row:1;justify-self:start;display:inline-flex;flex-direction:column;gap:.39rem;margin:0}
.foot__word{font-family:var(--label);font-weight:500;font-size:1.02rem;
letter-spacing:.34em;margin-right:-.34em;color:var(--sand);line-height:1}
/* Same lockup as the nav: the city sits at .718/1 of the wordmark and stays in
the quiet ink colour. Cyan and a larger size made it read as a second brand
rather than a location line. */
.foot__city{display:flex;justify-content:space-between;font-family:var(--label);
font-weight:500;font-size:.73rem;color:var(--ink-faint);line-height:1}
.foot__tag{grid-column:1 / -1;grid-row:2}
.nav__links{display:flex;gap:clamp(1rem,2.4vw,2.4rem)}
.nav__links a{
position:relative;font-size:.82rem;letter-spacing:.06em;color:var(--ink-dim);
transition:color .4s ease;padding:.3rem 0;
}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--cyan);transition:width .5s var(--e-drift)}
.nav__links a:hover{color:var(--sand)}
.nav__links a:hover::after{width:100%}
.nav__cta{
display:inline-flex;align-items:center;gap:.5rem;
padding:.6rem 1.3rem;border:1px solid var(--line);border-radius:100px;
font-size:.82rem;letter-spacing:.05em;color:var(--sand);
transition:border-color .4s,background .4s,color .4s;overflow:hidden;
}
.nav__cta em{font-family:var(--marc);font-style:normal;font-size:.7rem;letter-spacing:.14em;color:var(--cyan)}
.nav__cta:hover{border-color:var(--gold);background:rgba(229,182,103,.1);color:var(--gold)}
.nav__cta:hover em{color:var(--gold)}
.nav__actions{display:flex;align-items:center;gap:clamp(.7rem,1.4vw,1.1rem)}
.nav__lang{background:none;border:1px solid var(--line);border-radius:100px;padding:.42rem .7rem;
display:flex;align-items:center;gap:.35rem;cursor:pointer;
font:600 .66rem/1 var(--label);letter-spacing:.14em;text-shadow:0 1px 16px rgba(5,26,36,.55);
transition:border-color .4s}
.nav__lang:hover{border-color:var(--cyan)}
.nav__lang i{font-style:normal;color:var(--ink-faint)}
.nav__lang span{color:var(--ink-faint);transition:color .3s}
html[data-lang="ja"] .nav__lang [data-l="ja"],
html[data-lang="en"] .nav__lang [data-l="en"]{color:var(--cyan)}
/* English headings look best in the refined Latin display serif */
html[data-lang="en"] .h-lg,html[data-lang="en"] .h-md,html[data-lang="en"] .hero__title,
html[data-lang="en"] .cta__title{
font-family:var(--display);font-weight:500;letter-spacing:.005em;line-height:1.12}
html[data-lang="en"] .glow{font-style:italic}
.nav__burger{display:none;flex-direction:column;gap:5px;width:34px;height:34px;background:none;border:0;cursor:pointer;align-items:center;justify-content:center}
.nav__burger span{width:22px;height:1.5px;background:var(--sand);transition:transform .4s var(--e-drift),opacity .3s}
.nav.is-open .nav__burger span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.nav.is-open .nav__burger span:nth-child(2){transform:translateY(-3px) rotate(-45deg)}
/* ================================================================
SHARED TYPE / LAYOUT
================================================================ */
.section{position:relative;z-index:1}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.kicker{
font-family:var(--label);font-weight:500;font-size:.72rem;
letter-spacing:.34em;text-transform:uppercase;color:var(--cyan);
display:flex;align-items:center;gap:.9rem;margin-bottom:1.6rem;
}
.kicker::before{content:"";width:34px;height:1px;background:var(--cyan);opacity:.7}
.h-lg{font-family:var(--mincho);font-weight:600;line-height:1.34;
font-size:clamp(1.55rem,5.4vw,4.3rem);letter-spacing:.02em;color:var(--sand)}
.h-md{font-family:var(--mincho);font-weight:600;line-height:1.4;
font-size:clamp(1.4rem,4.4vw,3.2rem);letter-spacing:.02em;color:var(--sand)}
/* CJK typography: strict kinsoku (禁則) so a line never starts with 。 or a
small kana — kills the amateur lone 「る。」/「う。」orphan tell. Headings wrap
only when they must (narrow mobile); on desktop the authored controls
the lines and the relaxed max-widths keep them on one line each. */
.h-lg,.h-md,.hero__title,.cta__title,.stay__ttl{
line-break:strict;text-wrap:balance}
/* Japanese body: break at natural phrase (文節) boundaries so a line never ends
mid-word — auto-phrase is what stops "18m / まで" and "手元のこ / の一枚".
Chrome/Edge 119+; elsewhere it falls back to normal CJK wrapping + kinsoku.
text-wrap:pretty additionally keeps a lone character off the last line. */
p,li,dd,dt,em,b,figcaption,summary,
.hero__lead,.offer__hook,.offers__lead,
.course__hook,.course__why,.course__meta,.course__ul li,
.sched b,.stay__note,.trust__body p,.cta__lead{
word-break:auto-phrase;text-wrap:pretty}
.glow{color:var(--cyan);position:relative;text-shadow:0 0 34px rgba(83,212,205,.5)}
/* keep body copy legible over the bright water/video backgrounds */
.hero__lead,.offers__lead,.access__text p,
.kicker{text-shadow:0 1px 12px rgba(5,24,34,.4)}
/* .lines splits a heading into one span per character, so the browser may break
between any two of them — that is what produced "日曜の夜に / はダイバー。".
.nw marks the 文節 that must stay whole; the line then breaks between them. */
.nw{white-space:nowrap}
/* line-reveal scaffold (JS wraps into .line > .line-inner) */
.lines{overflow:visible}
.lines .line{display:block;overflow:hidden;padding-bottom:.04em}
.lines .line-inner{display:block}
/* initial hidden state is owned by GSAP (js/main.js) — a CSS % transform here
would be read back as pixels and fight the yPercent tween. */
/* generic reveals (JS-driven) */
html.js [data-reveal]{opacity:0}
/* image / video clip reveal */
html.js [data-clip]{overflow:hidden}
html.js [data-clip] img,html.js [data-clip] video{transform:scale(1.24);clip-path:inset(0 0 100% 0)}
/* background video fills its container like a cover image */
.bgvid{display:block;width:100%;height:100%;object-fit:cover}
/* buttons */
.btn{
position:relative;display:inline-flex;align-items:center;gap:.6rem;
padding:1rem 2rem;border-radius:100px;font-size:.9rem;letter-spacing:.06em;
font-weight:500;overflow:hidden;transition:transform .5s var(--e-drift),color .4s,box-shadow .5s;
}
.btn em{font-family:var(--marc);font-style:normal}
.btn--gold{background:var(--gold);color:#26170a;box-shadow:0 10px 40px -12px rgba(229,182,103,.6)}
.btn--gold::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.5),transparent 70%);transform:translateX(-120%)}
.btn--gold:hover{box-shadow:0 16px 50px -10px rgba(229,182,103,.75)}
.btn--gold:hover::after{transform:translateX(120%);transition:transform 1.1s var(--e-drift)}
.btn--ghost{border:1px solid var(--line);color:var(--sand)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--block{width:100%;justify-content:center;margin-top:.6rem}
/* ================================================================
HERO
================================================================ */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;
/* the scroll cue and the meta line are absolutely placed at the bottom, so the
flowing content needs room reserved under it or the buttons sit on the fold */
padding:14vh var(--pad) clamp(9.5rem,21vh,13rem);overflow:hidden}
.hero__media{position:absolute;inset:0;z-index:-1;overflow:hidden}
.hero__media img,.hero__media video{width:100%;height:100%;object-fit:cover;object-position:60% 45%;
opacity:.94;filter:saturate(1.08)}
.hero__media::after{content:"";position:absolute;inset:0;
background:
linear-gradient(90deg,rgba(4,24,34,.82) 0%,rgba(4,24,34,.52) 45%,transparent 78%),
linear-gradient(180deg,rgba(4,24,34,.58) 0%,transparent 28%,rgba(7,42,56,.78) 100%)}
/* hero kicker sits on bright, busy video — make it high-contrast */
#hero .kicker{color:var(--sand);text-shadow:0 2px 20px rgba(4,18,28,.95),0 0 3px rgba(4,18,28,.6)}
#hero .kicker::before{background:var(--cyan);opacity:1}
.hero__inner{max-width:960px;position:relative}
.hero__title{font-family:var(--mincho);font-weight:600;color:var(--sand);
font-size:clamp(1.72rem,5.2vw,4.8rem);line-height:1.32;letter-spacing:.015em;
margin:1.2rem 0 2rem;text-shadow:0 6px 40px rgba(3,15,30,.85),0 2px 12px rgba(3,15,30,.7)}
.hero__lead{max-width:34em;font-family:var(--mincho);font-weight:500;color:var(--sand);
font-size:clamp(.88rem,1.45vw,1.18rem);line-height:1.95;letter-spacing:.04em;
padding-left:clamp(.85rem,1.6vw,1.25rem);border-left:2px solid var(--cyan);
text-shadow:0 2px 20px rgba(3,15,30,1),0 1px 6px rgba(3,15,30,.98),0 0 32px rgba(3,15,30,.9)}
.hero__actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.6rem}
.hero__scroll{position:absolute;left:50%;transform:translateX(-50%);bottom:2.2rem;display:flex;flex-direction:column;align-items:center;gap:.5rem;color:var(--ink-dim);font:500 9px/1 var(--label);letter-spacing:.3em;text-shadow:0 1px 12px rgba(4,18,28,.7)}
.hero__scroll-jp{font-family:var(--sans);letter-spacing:.3em;font-size:9px}
.hero__scroll i{width:1px;height:46px;background:linear-gradient(var(--cyan),transparent);position:relative;overflow:hidden}
.hero__scroll i::after{content:"";position:absolute;top:0;left:0;width:100%;height:40%;background:var(--cyan);animation:scrolldrop 2.4s var(--e-sink) infinite}
@keyframes scrolldrop{0%{transform:translateY(-100%)}60%,100%{transform:translateY(260%)}}
.hero__meta{position:absolute;right:var(--pad);bottom:2.4rem;display:flex;flex-direction:column;align-items:flex-end;gap:.4rem;text-align:right;font:400 10px/1.6 var(--label);letter-spacing:.18em;color:var(--ink-faint)}
/* ================================================================
INTERLUDE (type as image)
================================================================ */
/* ================================================================
CONTRAST
================================================================ */
/* ================================================================
DESCENT
================================================================ */
/* ================================================================
EXPERIENCE
================================================================ */
/* ================================================================
MARQUEE
================================================================ */
@keyframes marquee{to{transform:translateX(-50%)}}
/* ================================================================
GALLERY
================================================================ */
.gallery{padding:clamp(4rem,8vh,7rem) 0}
.gallery .wrap{margin-bottom:clamp(2rem,4vh,3.4rem)}
.gallery .h-md{max-width:none}
/* a reef that drifts past on its own — the track holds two copies of the set,
so translating it by exactly half loops seamlessly */
.gallery__marquee{overflow:hidden;
-webkit-mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);
mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.gallery__track{display:flex;width:max-content;gap:clamp(.6rem,1.2vw,1.2rem);
animation:reefDrift 45s linear infinite;will-change:transform}
/* No pause on hover. The drift is meant to read as current, not as a carousel
waiting to be inspected — and the cursor rests over this band on the way down
the page, so pausing made the reef stall for no reason the visitor asked for. */
@keyframes reefDrift{from{transform:translate3d(0,0,0)}to{transform:translate3d(-50%,0,0)}}
.gallery__item{position:relative;border-radius:2px;flex:none;margin:0;overflow:hidden;
width:clamp(230px,25vw,390px);height:clamp(300px,42vw,520px)}
.gallery__item img,.gallery__item video{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--e-drift),filter 1.2s ease}
.gallery__item:hover img,.gallery__item:hover video{transform:scale(1.06);filter:saturate(1.15)}
.gallery__item figcaption{position:absolute;left:1rem;bottom:1rem;font:400 .72rem/1.3 var(--label);letter-spacing:.08em;color:var(--sand);opacity:0;transform:translateY(8px);transition:.5s var(--e-drift);text-shadow:0 2px 12px rgba(0,0,0,.6)}
.gallery__item:hover figcaption{opacity:1;transform:none}
/* desktop: explicit tiling so the 4×2 mosaic fills with no dead column */
@media (min-width:1025px){
}
/* ================================================================
OFFERS
================================================================ */
.offers{padding:clamp(4.5rem,9vh,8rem) 0}
.offers .h-lg{max-width:none;margin-bottom:1.8rem}
.offers__lead{max-width:32em;color:var(--ink-dim);font-family:var(--mincho);line-height:2.05;margin-bottom:7vh}
.offers__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(1rem,2vw,1.6rem);max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.offer{
position:relative;padding:clamp(1.8rem,3vw,2.8rem);
background:linear-gradient(165deg,rgba(8,63,92,.5),rgba(3,13,26,.66));
border:1px solid rgba(191,227,224,.22);border-radius:6px;overflow:hidden;
box-shadow:0 26px 60px -34px rgba(2,8,17,.92);
transition:transform .7s var(--e-drift),border-color .5s,box-shadow .6s;
}
.offer::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 100% 0%,rgba(69,199,196,.14),transparent 55%);opacity:0;transition:opacity .6s}
.offer:hover{transform:translateY(-8px);border-color:rgba(69,199,196,.45);box-shadow:0 34px 70px -30px rgba(2,8,17,.95)}
.offer:hover::before{opacity:1}
.offer--feature{background:linear-gradient(165deg,rgba(229,182,103,.16),rgba(3,13,26,.7));border-color:rgba(229,182,103,.42);
box-shadow:0 26px 70px -30px rgba(229,182,103,.26),0 22px 56px -34px rgba(2,8,17,.9)}
.offer--feature:hover{border-color:rgba(229,182,103,.65);box-shadow:0 34px 80px -26px rgba(229,182,103,.34),0 22px 56px -34px rgba(2,8,17,.9)}
.offer__idx{font-family:var(--marc);font-size:.9rem;letter-spacing:.2em;color:var(--cyan);margin-bottom:1.4rem}
.offer--feature .offer__idx{color:var(--gold)}
.offer__ribbon{position:absolute;top:1.6rem;right:1.6rem;font:500 .66rem/1 var(--label);letter-spacing:.2em;color:var(--gold);border:1px solid rgba(229,182,103,.5);border-radius:100px;padding:.4rem .8rem}
.offer__name{font-family:var(--mincho);font-weight:600;font-size:clamp(1.35rem,2.4vw,1.9rem);color:var(--sand);letter-spacing:.03em}
.offer__tag{font-family:var(--label);font-size:.74rem;letter-spacing:.16em;color:var(--cyan);margin:.5rem 0 1.4rem;text-transform:uppercase}
.offer__hook{font-family:var(--mincho);color:var(--ink-dim);line-height:1.95;margin-bottom:1.8rem}
.offer__inc{margin-bottom:2rem}
.offer__inc li{position:relative;padding:.5rem 0 .5rem 1.4rem;font-size:.86rem;color:var(--ink-dim);border-top:1px solid rgba(191,227,224,.08)}
.offer__inc li::before{content:"";position:absolute;left:0;top:1.05rem;width:6px;height:6px;border:1px solid var(--cyan);border-radius:50%}
.offer__foot{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:.5rem 1rem;padding-top:1.4rem;border-top:1px solid var(--line)}
.offer__dur{font-size:.78rem;color:var(--ink-faint);letter-spacing:.06em;white-space:nowrap}
.offer__price{font-family:var(--label);font-weight:500;font-size:1.5rem;color:var(--sand);white-space:nowrap}
.offer__price em{font-style:normal;font-size:.72rem;color:var(--ink-faint);margin-left:.2rem;white-space:nowrap}
/* ================================================================
COURSES — the PADI ladder, as a set of doors that open
================================================================ */
.courses{padding:clamp(3rem,6vh,5rem) 0 0}
.courses .h-md{max-width:none;margin-bottom:1.6rem}
.courses__lead{max-width:50ch;color:var(--ink-dim);font-family:var(--mincho);line-height:2.05;margin-bottom:7vh}
.courses__list{max-width:var(--maxw);margin:0 auto 3.4rem;padding:0 var(--pad)}
/* THE LADDER — the certification path drawn the way a dive computer draws a dive.
Reference: the Subsurface / Shearwater profile view — a filled descent curve, a
depth scale down the side, the depth called out where it changes. The levels
ARE depths here (18 / 30 / 40m), so the chart states a fact rather than
decorating one, and it rhymes with the depth meter already on screen. */
.ladder{position:relative;margin:clamp(3.4rem,6vw,5.5rem) 0 0;padding:0 0 0 3.2rem;
height:clamp(250px,27vw,340px)}
/* absolute children resolve against the padding box, so inset:0 already starts
at the content edge — the left gutter is the axis's alone */
.ladder__graph{position:absolute;inset:0;width:100%;height:100%}
.ladder__vgraph{display:none}
.ladder__area{fill:url(#ladderFill)}
.ladder__line{fill:none;stroke:rgba(83,212,205,.72);stroke-width:1.6;
stroke-linejoin:round;stroke-linecap:round}
.ladder__grid{stroke:rgba(210,240,235,.09);stroke-width:1}
/* depth scale — the graph's own axis, tucked in the left gutter */
.ladder__axis{position:absolute;left:-3.2rem;top:var(--y);transform:translateY(-50%);
font:500 .58rem/1 var(--label);letter-spacing:.14em;color:var(--ink-faint);opacity:.7}
.ladder__steps{list-style:none;margin:0;padding:0;position:absolute;inset:0}
.ladder__steps li{position:absolute;left:var(--x);top:var(--y);width:0}
.ladder__dot{position:absolute;left:-4.5px;top:-4.5px;width:9px;height:9px;border-radius:50%;
background:var(--sand);opacity:.8}
/* the label hangs above its own point on the curve */
.ladder__label{position:absolute;left:0;bottom:1.15rem;transform:translateX(-50%);
width:max-content;max-width:min(13rem,21vw);text-align:center}
.ladder__lv{display:block;font:500 .6rem/1 var(--label);letter-spacing:.2em;
color:var(--ink-faint);margin-bottom:.5rem}
.ladder b{display:block;font-family:var(--mincho);font-weight:600;letter-spacing:.03em;
font-size:clamp(.92rem,1.4vw,1.1rem);line-height:1.4;color:var(--ink-dim)}
.ladder em{display:block;font:400 .72rem/1.55 var(--sans);font-style:normal;
color:var(--ink-faint);margin-top:.4rem}
/* the step this page puts you on */
.ladder .is-here .ladder__dot{background:var(--cyan);opacity:1;
box-shadow:0 0 0 4px rgba(83,212,205,.18),0 0 20px rgba(83,212,205,.6)}
.ladder .is-here .ladder__lv{color:var(--cyan)}
.ladder .is-here b{color:var(--sand)}
@media (max-width:900px){
/* the same dive, rotated 90°: on a phone the scroll direction IS the descent,
so the profile runs down the page. Depth becomes the x-axis; the labels sit
to the right of their own plateau, level with the dot. */
.ladder{height:clamp(340px,104vw,440px);padding:0;margin-top:clamp(3.6rem,10vw,5rem)}
.ladder__graph{display:none}
.ladder__vgraph{display:block;position:absolute;inset:0;width:100%;height:100%}
/* depth read horizontally is nonsense on a phone — the per-level copy
(18mまで / 30mまで) already carries the numbers, so the axis goes */
.ladder__axis{display:none}
.ladder__steps li{left:var(--mx);top:var(--my)}
.ladder__label{left:.95rem;bottom:auto;top:50%;transform:translateY(-50%);
text-align:left;max-width:52vw}
}
/* the band that opens the certification part of the list */
.courses__band{padding:clamp(3rem,5vw,4.6rem) 0 clamp(1.4rem,2vw,2rem);border-top:1px solid var(--line)}
/* a group that is one line of text long does not need a full band's air */
.courses__band--tight{padding:clamp(2.2rem,3.6vw,3.2rem) 0 0}
.courses__band--tight .kicker{margin-bottom:0}
.courses__band--tight + .tier__note{margin-top:clamp(1rem,1.6vw,1.3rem)}
.courses__band .kicker{margin-bottom:1.1rem}
/* a band's lead is one short line about the group — it does not need the reading
measure body copy does, and 50ch broke it onto two lines */
.courses__band .courses__lead{margin-bottom:0;max-width:none}
.course__cols--one{grid-template-columns:1fr;max-width:60ch}
/* Quick facts + the ✓/✗ pair that every tour product page uses: what the price
covers, and — stated first-hand rather than left to be discovered — what it
does not. Both live inside the course card so the price never sits alone. */
/* the four conditions read as a spec table: ruled box, one cell each */
@media (max-width:720px){
}
/* the facts table already closes with a rule */
/* --- price simulator ---------------------------------------------------
Two columns on desktop: the things you change on the left, the number they
add up to pinned on the right. Every booking site converged on this shape
for the same reason — a total that scrolls away while you are configuring
makes you guess, and guessing is what the simulator exists to stop. */
/* Spacing scale. Measured before this existed: 0, 7, 11, 13, 21, 22, 30, 37px
between neighbouring things — every gap decided on its own, and a