/* JCSA 公式サイトに合わせた配色：グレージュの帯・オレンジのボタン・細い明朝と欧文セリフ */
:root {
  --paper: #ffffff; --panel: #f7f4ef; --line: #e3dcd0;
  --taupe: #b3a28b; --taupe-deep: #8e7b63; --gold: #b39a6b;
  --ink: #2b2723; --body-c: #5a534a; --faint: #978d80;
  --accent: #ee7632; --accent-hi: #f3884a; --warn: #c2491d;
  --serif: "EB Garamond", "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
}
* { box-sizing: border-box; }
html { color-scheme: light; }
body { background: var(--paper); color: var(--body-c); font-family: var(--serif); line-height: 1.9; margin: 0; -webkit-font-smoothing: antialiased; }

/* 上の帯（公式サイトのヘッダーと同じグレージュ） */
.brandbar { background: var(--taupe); color: #fff; }
.brandbar .in { max-width: 1200px; margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; gap: 14px; }
.brandbar .logo { width: 64px; height: auto; flex: none; display: block; }
.brandbar .mark { font-size: 22px; letter-spacing: .04em; line-height: 1; border-right: 1px solid rgba(255,255,255,.55); padding-right: 14px; }
.brandbar .org { font-size: 12.5px; letter-spacing: .06em; line-height: 1.4; }

/* アルコールインクの作品を思わせる淡いにじみ */
.hero { position: relative; overflow: hidden; text-align: center; padding: 52px 16px 44px;
  background:
    radial-gradient(60% 80% at 78% 30%, rgba(64,160,222,.30), transparent 70%),
    radial-gradient(45% 60% at 70% 70%, rgba(40,70,160,.22), transparent 70%),
    radial-gradient(35% 45% at 62% 18%, rgba(190,90,190,.16), transparent 70%),
    radial-gradient(50% 70% at 20% 80%, rgba(199,170,110,.28), transparent 70%),
    #f4f7f9; }
.hero .kicker { font-size: 12px; letter-spacing: .4em; color: var(--taupe-deep); margin: 0; }
.hero .kicker::before, .hero .kicker::after { content: ""; display: inline-block; width: 36px; height: 1px; background: var(--taupe-deep); vertical-align: middle; margin: 0 12px; opacity: .6; }
h1 { font-weight: 500; font-style: italic; font-size: clamp(23px, 5.6vw, 31px); color: var(--ink); letter-spacing: .08em; line-height: 1.55; margin: 14px 0 12px; }
.lede { font-size: 14px; margin: 0 auto; max-width: 31em; text-wrap: pretty; }

.wrap { max-width: 640px; margin: 0 auto; padding: 28px 16px 60px; }
.demo { background: #fdf3ea; border: 1px dashed #e6a878; color: #7a4a26; font-size: 12.5px; padding: 10px 14px; margin: 0 0 20px; }

.card { background: #fff; border: 1px solid var(--line); padding: 26px 22px; margin-bottom: 20px; }
.card h2 { font-weight: 500; font-size: 18px; color: var(--ink); margin: 0 0 18px; letter-spacing: .1em; display: flex; align-items: baseline; gap: 12px; }
.card h2 .n { font-size: 13px; color: var(--accent); letter-spacing: .1em; flex: none; }
.card h2 .n::after { content: ""; display: inline-block; width: 18px; height: 1px; background: var(--accent); vertical-align: middle; margin-left: 10px; }

.field { margin-bottom: 18px; }
.field:last-child { margin-bottom: 0; }
label.lb { display: block; font-size: 14px; color: var(--ink); margin-bottom: 6px; letter-spacing: .04em; }
label.lb .req { font-size: 10.5px; color: var(--accent); border: 1px solid var(--accent); padding: 0 6px; margin-left: 8px; vertical-align: 2px; letter-spacing: .1em; }
.hint { font-size: 12.5px; color: var(--faint); margin: -2px 0 8px; line-height: 1.7; }
input[type=text], input[type=email], input[type=tel], select {
  width: 100%; font: inherit; font-size: 16px; color: var(--ink); background: #fff;
  border: 1px solid var(--line); border-radius: 0; padding: 11px 12px; outline: none; -webkit-appearance: none; appearance: none;
}
select { background-image: linear-gradient(45deg, transparent 50%, var(--taupe-deep) 50%), linear-gradient(135deg, var(--taupe-deep) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 34px; }
input:focus, select:focus { border-color: var(--taupe-deep); box-shadow: 0 0 0 3px rgba(179,162,139,.25); }
.bad input, .bad select, .bad .choices .opt span { border-color: var(--warn); }
.err { display: none; font-size: 12.5px; color: var(--warn); margin-top: 5px; }
.bad .err { display: block; }

.choices { display: grid; gap: 8px; }
.choices.two { grid-template-columns: 1fr 1fr; }
.opt { position: relative; }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt span { display: flex; align-items: center; justify-content: space-between; gap: 10px; border: 1px solid var(--line); background: #fff; padding: 13px 16px; font-size: 15px; color: var(--ink); cursor: pointer; transition: border-color .15s, background .15s; letter-spacing: .03em; }
.opt span small { font-size: 12px; color: var(--taupe-deep); white-space: nowrap; letter-spacing: .06em; }
.opt input:checked + span { border-color: var(--accent); background: #fef5ee; box-shadow: inset 0 0 0 1px var(--accent); }
.opt input:focus-visible + span { box-shadow: 0 0 0 3px rgba(238,118,50,.25); }
.opt input:disabled + span { color: #b9b0a4; background: var(--panel); cursor: not-allowed; }
.opt input:disabled + span small { color: #b9b0a4; }
.opt span small.few { color: var(--accent); }

.terms { max-height: 220px; overflow: auto; background: var(--panel); padding: 14px 16px; font-size: 13px; line-height: 1.8; margin-bottom: 14px; }
.terms h3 { font-size: 13px; font-weight: 600; color: var(--ink); margin: 12px 0 2px; }
.terms h3:first-child { margin-top: 0; }
.terms p { margin: 0; }
.terms a { color: var(--accent); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--ink); cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 4px 0 0; accent-color: var(--accent); flex: none; }

/* 公式サイトの「CONTACT」ボタンと同じ、角ばったオレンジ */
.btn { display: block; width: 100%; font: inherit; font-size: 16px; letter-spacing: .2em; color: #fff; background: var(--accent); border: none; border-radius: 0; padding: 16px 20px; cursor: pointer; text-align: center; text-decoration: none; }
.btn:hover { background: var(--accent-hi); }
.btn:disabled { opacity: .55; cursor: wait; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost:hover { background: var(--panel); }
.btn.danger { background: var(--warn); }
.btn + .btn { margin-top: 10px; }
.formerr { display: none; white-space: pre-line; background: #fdefe7; color: var(--warn); padding: 10px 14px; font-size: 13.5px; margin-bottom: 14px; }
.formerr.show { display: block; }

.done { text-align: center; }
.done .mark { width: 54px; height: 54px; border-radius: 50%; border: 1px solid var(--accent); color: var(--accent); display: grid; place-items: center; font-size: 24px; margin: 4px auto 14px; }
.done .mark.gray { border-color: var(--taupe); color: var(--taupe-deep); }
.done h2 { justify-content: center; font-size: 20px; }
.ticket { text-align: left; background: var(--panel); padding: 14px 18px; margin: 18px 0; }
.ticket dl { margin: 0; display: grid; grid-template-columns: 7em 1fr; gap: 4px 12px; font-size: 14px; }
.ticket dt { color: var(--faint); }
.ticket dd { margin: 0; color: var(--ink); word-break: break-all; }
.ticket .id { letter-spacing: .18em; font-size: 18px; }
.small { font-size: 13px; color: var(--faint); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.loading { text-align: center; color: var(--faint); font-size: 13.5px; padding: 30px 0; }
.links { text-align: center; font-size: 14px; margin-top: 24px; }
.links a { color: var(--taupe-deep); }
footer { text-align: center; font-size: 12px; color: var(--faint); letter-spacing: .06em; margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); }
footer a { color: var(--faint); }
[hidden] { display: none !important; }
@media (max-width: 420px) { .choices.two { grid-template-columns: 1fr; } .brandbar .org { font-size: 11.5px; } }